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ASoC: WM8804: Refactor set_pll code to avoid GCC warnings

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Ensure that no uninitialised variable warnings are generated by
GCC.

Signed-off-by: Dimitris Papastamos <dp@opensource.wolfsonmicro.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Dimitris Papastamos 2010-10-04 09:31:42 +01:00 • committed by Mark Brown
parent cb13c6b3ca
commit 86ce6c9a62
1 changed files with 28 additions and 23 deletions

13
sound/soc/codecs/wm8804.c
View file

@ -390,16 +390,20 @@ static int wm8804_set_pll(struct snd_soc_dai *dai, int pll_id,
int source, unsigned int freq_in, int source, unsigned int freq_in,
unsigned int freq_out) unsigned int freq_out)
{ {
int ret;
struct snd_soc_codec *codec; struct snd_soc_codec *codec;
struct pll_div pll_div = { 0 };
codec = dai->codec; codec = dai->codec;
if (freq_in && freq_out) { if (!freq_in || !freq_out) {
/* disable the PLL */
snd_soc_update_bits(codec, WM8804_PWRDN, 0x1, 0);
return 0;
} else {
int ret;
struct pll_div pll_div;
ret = pll_factors(&pll_div, freq_out, freq_in); ret = pll_factors(&pll_div, freq_out, freq_in);
if (ret) if (ret)
return ret; return ret;
}
/* power down the PLL before reprogramming it */ /* power down the PLL before reprogramming it */
snd_soc_update_bits(codec, WM8804_PWRDN, 0x1, 0); snd_soc_update_bits(codec, WM8804_PWRDN, 0x1, 0);
@ -420,6 +424,7 @@ static int wm8804_set_pll(struct snd_soc_dai *dai, int pll_id,
/* power up the PLL */ /* power up the PLL */
snd_soc_update_bits(codec, WM8804_PWRDN, 0x1, 0x1); snd_soc_update_bits(codec, WM8804_PWRDN, 0x1, 0x1);
}
return 0; return 0;
} }